package com.huan.nline;

import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;

import java.io.IOException;

public class NLineReducer extends Reducer<Text, IntWritable,Text, IntWritable> {

    IntWritable v = new IntWritable(  );


    @Override
    protected void reduce(Text key, Iterable<IntWritable> values, Context context) throws IOException, InterruptedException {

        int sum = 0 ;

        for (IntWritable value : values) {
            sum += value.get();

        }
        v.set( sum );

        context.write( key,v );
    }
}
